12224011 has 4 divisors (see below), whose sum is σ = 12867400. Its totient is φ = 11580624.

The previous prime is 12223987. The next prime is 12224021. The reversal of 12224011 is 11042221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12224011 - 2⁵ = 12223979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223982 and 12224000.

It is not an unprimeable number, because it can be changed into a prime (12224021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321666 + ... + 321703.

It is an arithmetic number, because the mean of its divisors is an integer number (3216850).

Almost surely, 2^12224011 is an apocalyptic number.

12224011 is a deficient number, since it is larger than the sum of its proper divisors (643389).

12224011 is an equidigital number, since it uses as much as digits as its factorization.

12224011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643388.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12224011 is about 3496.2853144445. The cubic root of 12224011 is about 230.3586779172.

Adding to 12224011 its reverse (11042221), we get a palindrome (23266232).

The spelling of 12224011 in words is "twelve million, two hundred twenty-four thousand, eleven".